SXSW wasn't the only place on earth last week to have a moment. Merrill Garbus, aka BTW tUnE-YarDs, continues to steal shows, and on Thursday it was from headliner Xiu Xiu. Photographer Andrew Youssef noted that the audience was "howling" between her songs, and, despite feeling under-the-weather, Garbus was even better than the last time he documented her. Xiu Xiu's ...